3. Click [Backup data], back up your data to the microSD card. If you do not want to back up your data, you can skip this step -> click [OK].

4. Click [upgrade]. The phone will reboot and will go to the upgrade screen and start the software upgrade. The upgrade process takes about 3 minutes. As the phone is upgrading, do not take the battery out of the phone, do not take the memory card, generally do not affect the phone and just wait and wait.

Note:some Huawei phones, you upgrade to the following steps: Select Settings on the Huawei phone -> About Phone -> System Update -> Local Update

Method 2: temporarily called the method “Card Update”, this way for the machine is no longer into the main screen, logo hanging machine, the machine repeatedly restart: